I purchased this on Mercari and used it until my child turned one year old. When my child started to become concerned about rolling over, using this allowed them to sleep soundly without rolling over. As they approached one year old, their strength gradually increased, and they learned how to escape, so I stopped using it. I used it every day, so it shows considerable wear. As you can see in the first, second, and third photos, the adhesive parts are bent and don't stick perfectly, but it is still usable. I'm selling it at a bargain price. GUSUMIN white anti-roll cushion, designed with safety in mind, made of synthetic fiber. - Brand: GUSUMIN - Color: White - Features: Anti-roll cushion - Material: Synthetic fiber Thank you for looking.